259
Practical hints
What to do if …
Problem Possible cause Suggested solution
? The yellow “CHECK ENGINE”
malfunction indicator lamp
comes on while driving.
There is a malfunction in:
앫 The fuel management system
앫 The ignition system
앫 The emission control system
앫 Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home (emergency operation)
mode.
왘 Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics sys-
tem. It allows the accurate identifica-
tion of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left
area of the footwell next to the park-
ing brake pedal.
The fuel cap is not closed tight. 왘 Check the fuel cap.
Your gas tank is empty. 왘 After refuelling start the engine three
or four times in succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
< The red seat belt warning lamp
blinks for a brief period after
starting the engine.
The warning lamp reminds you to fasten seat
belts.
왘 Fasten your seat belt.
The yellow fuel tank reserve warning lamp
lights while driving.
The fuel level has gone below the reserve
mark.
왘 Refuel at the next gas station
(
컄 page 233).
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